The Younger Dryas Boundary strewnfield is shown (red) with YDB sites as red dots and those by eight independent groups as blue dots. Also shown is the largest known impact strewnfield, the ...

The Younger Dryas Impact Hypothesis (YDIH) suggests that a cosmic event, such as a comet or asteroid impact, around 12,850 years ago triggered significant climatic changes known as the Younger ...

This map shows the Younger Dryas Boundary locations that provided data for the analysis. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!